ru·gose roo-gohs, roo-gohs Show IPA
having wrinkles; wrinkled; ridged.
Botany. rough and wrinkled: applied to leaves in which the reticulate venation is very prominent beneath, with corresponding creases on the upper side.
1695–1705; < L rūgōsus wrinkled. See ruga, -ose1
I look for rugosities on the rock face to smear on to when I am rock climbing.